Drying system

Abstract

The present invention relates to a drying system, and according to one aspect of the present invention, there is provided a drying system comprising a transfer conveyor for transporting particles, a particle dispersing device including a rotary member provided at one side of the transfer conveyor and having a rotation center, a drive part for rotating the rotary member and a particle supply part mounted on the rotary member having particles stored therein, and a heating part for drying the particles on the transfer conveyor in a transfer process, wherein the heating part comprises a heat exchanger and a blast fan, and is provided such that air discharged from the blast fan is supplied to the transfer conveyor after passing through the heat exchanger.

Claims

1. A drying system comprising: a transfer conveyor for transporting particles having a width with a center portion and a direction along the width thereof; a particle dispersing device including a rotary member provided at one side of the transfer conveyor and having a rotation center, a drive part for rotating the rotary member and a particle supply part mounted on the rotary member having particles stored therein; and a heating part for drying the particles on the transfer conveyor in a transfer process, wherein the heating part comprises a heat exchanger and a blast fan, and is provided such that air discharged from the blast fan is supplied to the transfer conveyor after passing through the heat exchanger, a control part for controlling the transfer conveyor and the drive part, wherein upon supplying the particles to the transfer conveyor, the control part controls so that the particle supply part rotates along an arc about the rotation center of the rotary member in a predetermined direction, wherein when the particle supply part is rotated, the control part stops the transfer conveyor, and wherein the control part controls so that the particle supply part rotationally reciprocates in different directions within a predetermined angle range about the rotation center.

2. The drying system according to claim 1, wherein the heat exchanger is provided such that air passing through the heat exchanger can be distributed across the width direction of the transfer conveyor.

3. The drying system according to claim 1, wherein the heat exchanger is disposed below the transfer conveyor.

4. The drying system according to claim 3, wherein the heat exchanger is elongated along the width direction so as to correspond to the width of the transfer conveyor.

5. The drying system according to claim 1, wherein if the rotation of the particle supply part is completed, the control part operates the transfer conveyor such that the loaded particles are transported.

6. The drying system according to claim 1, wherein the particle supply part comprises a belt conveyor.

7. The drying system according to claim 1, wherein the control part controls so that along the width direction of the transfer conveyor, the particles are loaded thicker on both side edges than the center portion.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIGS. 1 and 2 are schematic diagrams for explaining one operating state of a particle dispersing device.

(2) FIG. 3 is a schematic diagram for explaining one operating state of a particle dispersing device constituting a drying system related to one embodiment of the present invention.

(3) FIG. 4 is a schematic diagram showing a heating part constituting a drying system related to one embodiment of the present invention.

DETAILED DESCRIPTION

(4) Hereinafter, a drying system according to one embodiment of the present invention will be described in detail with reference to the accompanying drawings.

(5) In addition, the same or similar reference numerals are given to the same or corresponding components regardless of reference numerals, and redundant explanations will be omitted. For convenience of explanation, the size and shape of each constituent member as shown may be exaggerated or reduced.

(6) FIG. 3 is a schematic diagram for explaining one operating state of a particle dispersing device constituting a drying system related to one embodiment of the present invention, and FIG. 4 is a schematic diagram showing a heating part (100) constituting a drying system related to one embodiment of the present invention.

(7) The drying system related to one embodiment of the present invention comprises a transfer conveyor for transporting loaded particles (P), a particle dispersing device and a heating part (100) for drying the particles loaded on the transfer conveyor in a transfer process.

(8) The particle dispersing device is provided at one side of the transfer conveyor and comprises a rotary member (11) having a rotation center (C), a drive part for rotating the rotary member (11), and a particle supply part (12) mounted on the rotary member (11) and having particles stored therein. When the particles (P) are loaded on the transfer conveyor through the particle dispersing device (10), the transfer conveyor transports the particles to the heating part (100).

(9) Also, as the transfer conveyor, various types of conveyors may be used, and for example, the transfer conveyor may be a belt (21) conveyor.

(10) For convenience of explanation, the transfer conveyor is described as an example of a belt conveyor, and in the drawing, the particles (P) are described as being loaded on the belt (21) and transported.

(11) Referring to FIG. 4, the heating part (100) comprises a drying chamber (110) for providing a drying space. The drying chamber (110) is provided with an inlet (111) through which external air flows and an outlet (112) through which gases and foreign substances in the drying chamber (110) are discharged to the outside, respectively.

(12) Also, the heating part (100) comprises a heat exchanger (130) and a blast fan (120) disposed in the drying chamber (110), respectively. Here, the heating part (100) is provided so that the air discharged from the blast fan (120) is supplied to the transfer conveyor after passing through the heat exchanger (130).

(13) Furthermore, the heat exchanger (130) is provided so that the air passing through the heat exchanger (130) can be distributed across the width direction (the x-axis direction in FIG. 2) of the transfer conveyor. The heat exchanger (130) is also disposed below the transfer conveyor. In particular, the heat exchanger (130) is elongated along the width direction so as to correspond to the width of the transfer conveyor. Through this structure, a uniform flow distribution can be formed without using a conventional distribution plate, and a wide heat transfer area can be secured.

(14) In addition, the heating part (100) comprises a partition wall (140) for separating the inflow side and the inflow side of the blower (120). That is, the air discharged from the blower (120) is only delivered to the heat exchanger (130) side, and the hot air passing through the heat exchanger (130) is supplied only to the belt (21), by the partition wall (140).

(15) The particle dispersing device (10) comprises a rotary member (11) provided at one side of the transfer conveyor and having a rotation center. Also, the particle dispersing device comprises a drive part (not shown) for rotating the rotary member (11) and a particle supply part (12) mounted on the rotary member (11) and having the particles stored therein. The particle dispersing device comprises a control part (not shown) for controlling the transfer conveyor and the drive part.

(16) Furthermore, the control part controls the heating part.

(17) On the other hand, the drive part may comprise, for example, a motor shaft-connected to the rotary member (11). As long as the particle supply part (12) can drop particles onto the transfer conveyor by vibration or the like, the type is not limited, but for example, the particle supply part (12) may comprise a belt conveyor. Thus, the particles (P) settled on the belt can be applied on the belt (21) of the transfer conveyor in accordance with the operation of the particle supply part (12). In addition, the particles can be supplied to the particle supply part (12) through a hopper (not shown) where a large amount of particles are stored, or the like.

(18) Referring to FIG. 3, when the particles are supplied to the transfer conveyor, the control part controls so that the particle supply part (12) is rotated with drawing an arc on the basis of the rotation center of the rotary member (11) in a predetermined direction (clockwise and/or counterclockwise).

(19) The control part stops the transfer conveyor when the particle supply part (12) is rotated. Also, when the rotation of the particle supply part is completed, the control part operates the transfer conveyor such that the loaded particles are transported. A symbol MD denotes the conveying direction of the transfer conveyor. In addition, a reference numeral 21 denotes a belt of the transfer conveyor on which the particles are loaded.

(20) Also, the control part controls so that the particle supply part (12) rotationally reciprocates in different directions (clockwise and counterclockwise) within a predetermined angular range on the basis of the rotation center. For example, the control part controls so that the particle supply part (12) rotates clockwise on the basis of the rotation center, and then controls so that the particle supply part (12) rotates counterclockwise on the basis of the rotation center. That is, when the reciprocating rotational movement is completed once, the particle supply part (12) returns to the initial position.

(21) Furthermore, the particle supply part (12) may be positioned at the edge of the transfer conveyor (20) in the width direction after the rotation in one direction is completed. In addition, the width direction indicates a direction orthogonal to the conveying direction (MD).

(22) Specifically, the control part stops the transfer conveyor upon rotating the particle supply part (12) in a first direction (clockwise direction). Also, when the rotation of the particle supply part (12) in the first direction is completed, the control part operates the transfer conveyor such that the loaded particles are transported.

(23) Thereafter, the control part stops the transfer conveyor again upon rotating the particle supply part (12) in a second direction (counterclockwise direction) opposite to the first direction. Furthermore, when the rotation of the particle supply part (12) in the second direction is completed, the control part again operates the transfer conveyor (20) such that the loaded particles are transported.

(24) In addition, the control part can control so that along the width direction of the transfer conveyor, the particles are loaded thicker on both side edges than the center portion. That is, when the particles are loaded on the transfer conveyor in the manner as above, the thickness of the particles loaded on both side edges along the width direction of the transfer conveyor may increase, but it has an effect capable of preventing lifting by strong hot air from the heating part.

(25) The preferred examples of the present invention as described above are disclosed for illustrative purposes, which can be modified, changed and added within thought and scope of the present invention by those skilled in the art and it will be considered that such modification, change and addition fall within the following claims.

(26) The drying system according to the present invention can uniformly disperse the particles on the transfer conveyor and can form a uniform flow distribution across the width direction of the transfer conveyor with a wide heat transfer area.